grab bag

Noun

grab bag (plural grab bags)

1. A gift, purchase, etc. whose contents are concealed until after a selection is made; a bag as gift that comprises mystery prizes.
   • Winners can choose a gift from the grab bags on the table.

   Synonyms:

   mystery bag

2. A bag from which a gift or prize may be withdrawn (grabbed) unseen.

   Synonyms:

   mystery bag

3. (figuratively) Any random assortment, selection or possibility.
   • With that system, it's a grab bag which files we can find at any moment.
   • There were now a grab bag of southern country-rock units with a new wrinkle—Black Oak Arkansas, for one, combined psychedelia, fifties rock, Hindu spiritualism, and gospel into “psycho-boogie,” or “raunch 'n' roll.”2015, Mark Ribowsky, Whiskey Bottles and Brand-New Cars

   Synonyms:

   lucky dip, mixed bag, ragbag, hodgepodge, bouillabaisse, bric-a-brac, catch-all, clamjamfrey, cocktail, rummage

4. A moderately large bag of crisps or other snack, suitable for sharing.
5. A bag containing essential items, which can be easily picked up and taken in an emergency.

   Synonyms:

   bug-out bag, go bag